via TconstantAABA is quite interesting for a few reasons: 1 - You basicly get BABA's upside, as the stock as tracked percentage wise with BABA, since Yahoo! closed on selling their core business. $AABA, Altaba Inc. / H1 2 - You get upside based on tax reform. The market has around 34% discount baked in AABA share price, based on the taxes they would pay if the so sold BABA shares (or Yahoo! Japan to a lesser extent). Both the Senate & House of Representatives have bills for tax reform and both have future corp rates at 20%; if this happen this adds about $15/share to the stock the second it becomes a law.Alibaba: $BABA, Alibaba Group Holding Limited / H1 3 - Real BABA shares. Some people won't touch BABA because of the strange way the shares are structured in order to sell in the U.S. markets, it not your typical ADR; it more like a promise in the Cayman Islands. AABA owes real share of BABA, not these.